Finding the Fourth Proportional to 64,084.98, 88,426.53 and 35,790.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,084.98 : 88,426.53 = 35,790.78 : x
2. Step 2: Convert to fraction form
   64,084.98/88,426.53 = 35,790.78/x
3. Step 3: Cross multiply
   64,084.98x = 88,426.53 × 35,790.78
4. Step 4: Simplify right side
   64,084.98x = 3,164,854,481.39
5. Step 5: Solve for x
   x = 3,164,854,481.39/64,084.98
6. Step 6: Final answer
   x = 49,385.28